1. October 29, 2004 China Petroleum & Chemical Corporation 3Q 2004 Results Announcement

2. 29 October 2004 2 Forward Looking Statement As required by the CSRC, financial statements of the first three quarters of Sinopec Corp. (the “Company”) are prepared under PRC Accounting Rules and Regulations. The Company has adjusted part of the financial data in accordance with the International Financial Reporting Standards hereby for the reference of international investors. Financial data of the first three quarters contained in the presentation and presentation materials are un-audited. The presentation and presentation materials hereby include forward-looking statements. All statements, other than statements of historical facts, that address activities, events or developments that the Company expects or anticipates will or may occur in the future (including but not limited to projections, targets, estimates and business plans) are forward-looking statements. The Company's actual results or developments may differ materially from those indicated by these forward-looking statements as a result of various factors and uncertainties, including but not limited to price fluctuations, actual demand, exchange rate fluctuations, exploration and development outcomes, estimates of proved reserves, market share, competition, environmental risks, changes in legal, financial and regulatory frameworks, international economic and financial market conditions, political risks, project delay, project approval, cost estimates and other risks and factors beyond the Company’s control. In addition, the Company makes the forward-looking statements referred to herein as of today and undertakes no obligation to update these statements.

3. 29 October 2004 3 Agenda Performance review of 1Q-3Q04 Operational plan for 4Q 2004

4. Performance Review of 1Q-3Q04

5. 29 October 2004 5 GDP growth rate was 9.5% Prices of crude oil fluctuated and climbed up to a high level Strong domestic demand for oil and chemical products, and prices of chemical products remained at high level Market Environment in 1Q-3Q04

6. 29 October 2004 6 Results of Operations – Significant Earnings Growth (RMB million) Revenue EBITDA EBIT Profit attributable to shareholders EPS (RMB/share) 318,636 48,811 29,673 17,209 0.197 433,646 66,978 44,563 26,653 0.307 36.09 37.22 50.18 54.88 (RMB million) EBIT Contribution by Segment 1Q-3Q031Q-3Q04 Change (%)

7. 29 October 2004 7 27.82 2.05 202.70 138.34 31.27 2.07 204.50 152.18 12.38 0.98 0.89 10.00 6.306.350.79 E&P Segment EBIT (RMB million) 1Q-3Q031Q-3Q04 Change (%) Crude Realized Price (USD/ bbl) Gas Realized Price (USD/kcf) Crude Production (MM bbl) Gas Production (bcf) Lifting cost (USD/ bbl) E & P Segment – Oil and Gas Production Increased Steadily

8. 29 October 2004 8 84,906 15,812 30,575 3,842 73.50 92.71 12,323 98,678 17,481 37,763 4,643 73.94 92.93 13,022 16.22 10.38 23.51 20.85 44 bps 22 bps 5.67 16,94420,418 20.50 85.792.38 668 bps 3.903.86 -1.03 Refining Segment EBIT 1Q-3Q031Q-3Q04 Change (%) Crude Oil Processed (MT) Gasoline Production (MT) Diesel Production (MT) Kerosene Production (MT) Light product yield(%) Refining yield(%) Chemical feedstock (MT) Sour crude processed (MT) Refinery utilization(%) Refining margin (USD/bbl) Refining Segment – Improved Refinery Efficiency (RMB million)

9. 29 October 2004 9 24,286 5,326 1,652 15,864 11,316 27,992 55,171 29,612 25,654 5,376 2,005 16,591 15,025 38,571 70,188 31,030 5.63 0.94 21.37 4.59 32.78 37.79 27.22 4.79 Marketing Segment EBIT 1Q-3Q031Q-3Q04 Change (%) Owned and Operated Franchised Annual Throughput per Station (tonne/site) Wholesale (MT) Distribution (MT) Retail (MT) Domestic Sales of Oil Products (MT) Total No. of Gas Stations Marketing Segment — Continued to Increase Sales Volume (RMB million)

10. 29 October 2004 10 Unit: ‘000 tonnes 2,613.8 392.5 1,617.1 3,828.8 935.3 379.8 1,771.3 2,670.1 414.6 2,151.6 4,061.9 971.5 430.1 2,104.8 3,302.63,620.1 9.61 2.15 5.63 33.05 6.09 3.87 13.24 18.83 Chemical Segment EBIT 1Q-3Q031Q-3Q04 Change (%) Chemical Segment — Earnings Significantly Improved Ethylene Synthetic Rubber Urea Synthetic Resins Synthetic Fiber Differential fiber Performance compound Synthetic Fiber Monomer & Polymer (RMB million)

11. 29 October 2004 11 Improved Asset Efficiency, Strengthened Core Business In 3Q04, the company made provisions for some inefficient gas stations, oil tanks and chemical assets. According to IFRS, write off and provisions on long-lived assets during the 3Q04 amounted to RMB 1.63 billion. Among which, Marketing Segment accounted for RMB1.142 billion, Chemical Segment accounted for RMB332 million, Refining Segment accounted for RMB156 million. Depreciation reduction of RMB209 million is expected next year.

12. 29 October 2004 12 Capital Expenditure Total Capex during 1Q-3Q04: RMB 42.33 bn E&P – RMB 14.25 bn, newly added 3.33 MM tpa oil production capacity and 0.158 bcm per year gas production capacity Refining – RMB 7.33 bn ， refinery projects aimed to add a comprehensive capacity of 9.5 MM tpa is under construction Marketing – RMB 14.37 bn, newly added 1,148 company-owned gas stations Chemical – RMB 5.71 bn, Qilu ethylene capacity expansion up to 720 M tpa has been successfully completed Corporate and others – RMB 0.67 bn In addition, RMB 5 bn of Capex in Secco and other JV projects Capex Distribution during 1Q-3Q2004

13. Operational Plan for 4Q 2004

14. 29 October 2004 14 Market Outlook for 4Q04 Domestic demand for oil and chemical products will maintain a strong growth momentum Prices of crude oil will continue to fluctuate at high level Chemical business is expected to remain in the cycle upturn

15. 29 October 2004 15 Operational Plan for 4Q 2004 9.82 1.50 34.24 972 24.00 12.60 38.62 5.81 132.92 3642 94.19 51.17 Q4 ’04E2004E Crude Production (MM Tonnes) Gas Production (bcm) Refining Throughput (MM Tonnes) Ethylene Production (kt) Domestic Sale of Refined Products(MM Tonnes) Of which ： Retail(MM Tonnes)

16. 29 October 2004 16 http://www.sinopec.com.cn For Further Information Investor Relations Beijing:Tel: (8610) 64990060 Fax: (8610) 64990489 Email: ir@sinopec.com.cn Hong Kong:Tel: (852) 28242638 Fax: (852) 28243669 Email: ir@sinopechk.com New York:Tel: (212) 759 5085 Fax: (212) 759 6882 Email: fangzq@sinopecusa.com Media Relations Tel: (8610) 64990092 Fax: (8610) 64990093 Email: media@sinopec.com.cn